Description
The flush look of an Endure ALX differs from a tall, over-the-rail tonneau. Extang part 80639 sits low across its specified pickup bed, folding in sections when cargo needs clearance.
Four half-inch EnduraShield TPO-coated panels resist everyday impacts and sunlight. One-hand rotary operation opens the tonneau, while folding straps or prop rods give partial or complete bed access. Its stated 500-lb rating applies to evenly spread loads, not a single concentrated point.
Product specifications
| Extang MPN | 80639 |
|---|---|
| Product family | Endure ALX |
| Panel thickness | 1/2 in |
| Panel material | EnduraShield TPO over aluminum |
| Finish | Textured matte black |
| Rated static load | 500 lb, evenly distributed |
| Opening | Rotary latch; two-thirds or full-bed access |
Fitment and ordering guidance
Part 80639 is a vehicle-specific Endure ALX tonneau. Confirm truck make, model, bed length and tailgate design in the part-number-specific manufacturer vehicle selector; the retrieved official listing gives no unambiguous year range.
Do not infer compatibility from another Endure ALX MPN; the number selects the bed-length and rail configuration.
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